diff options
Diffstat (limited to 'extlibs/rapidjson/rapidjson/test/unittest/readertest.cpp')
| -rw-r--r-- | extlibs/rapidjson/rapidjson/test/unittest/readertest.cpp | 1354 |
1 files changed, 1354 insertions, 0 deletions
diff --git a/extlibs/rapidjson/rapidjson/test/unittest/readertest.cpp b/extlibs/rapidjson/rapidjson/test/unittest/readertest.cpp new file mode 100644 index 000000000..910606378 --- /dev/null +++ b/extlibs/rapidjson/rapidjson/test/unittest/readertest.cpp @@ -0,0 +1,1354 @@ +// Tencent is pleased to support the open source community by making RapidJSON available.
+//
+// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
+//
+// Licensed under the MIT License (the "License"); you may not use this file except
+// in compliance with the License. You may obtain a copy of the License at
+//
+// http://opensource.org/licenses/MIT
+//
+// Unless required by applicable law or agreed to in writing, software distributed
+// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+// CONDITIONS OF ANY KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations under the License.
+
+#include "unittest.h"
+
+#include "rapidjson/reader.h"
+#include "rapidjson/internal/dtoa.h"
+#include "rapidjson/internal/itoa.h"
+#include "rapidjson/memorystream.h"
+
+using namespace rapidjson;
+
+#ifdef __GNUC__
+RAPIDJSON_DIAG_PUSH
+RAPIDJSON_DIAG_OFF(effc++)
+RAPIDJSON_DIAG_OFF(float-equal)
+#endif
+
+template<bool expect>
+struct ParseBoolHandler : BaseReaderHandler<UTF8<>, ParseBoolHandler<expect> > {
+ ParseBoolHandler() : step_(0) {}
+ bool Default() { ADD_FAILURE(); return false; }
+ // gcc 4.8.x generates warning in EXPECT_EQ(bool, bool) on this gtest version.
+ // Workaround with EXPECT_TRUE().
+ bool Bool(bool b) { /*EXPECT_EQ(expect, b); */EXPECT_TRUE(expect == b); ++step_; return true; }
+
+ unsigned step_;
+};
+
+TEST(Reader, ParseTrue) {
+ StringStream s("true");
+ ParseBoolHandler<true> h;
+ Reader reader;
+ reader.Parse(s, h);
+ EXPECT_EQ(1u, h.step_);
+}
+
+TEST(Reader, ParseFalse) {
+ StringStream s("false");
+ ParseBoolHandler<false> h;
+ Reader reader;
+ reader.Parse(s, h);
+ EXPECT_EQ(1u, h.step_);
+}
+
+struct ParseIntHandler : BaseReaderHandler<UTF8<>, ParseIntHandler> {
+ ParseIntHandler() : step_(0), actual_() {}
+ bool Default() { ADD_FAILURE(); return false; }
+ bool Int(int i) { actual_ = i; step_++; return true; }
+
+ unsigned step_;
+ int actual_;
+};
+
+struct ParseUintHandler : BaseReaderHandler<UTF8<>, ParseUintHandler> {
+ ParseUintHandler() : step_(0), actual_() {}
+ bool Default() { ADD_FAILURE(); return false; }
+ bool Uint(unsigned i) { actual_ = i; step_++; return true; }
+
+ unsigned step_;
+ unsigned actual_;
+};
+
+struct ParseInt64Handler : BaseReaderHandler<UTF8<>, ParseInt64Handler> {
+ ParseInt64Handler() : step_(0), actual_() {}
+ bool Default() { ADD_FAILURE(); return false; }
+ bool Int64(int64_t i) { actual_ = i; step_++; return true; }
+
+ unsigned step_;
+ int64_t actual_;
+};
+
+struct ParseUint64Handler : BaseReaderHandler<UTF8<>, ParseUint64Handler> {
+ ParseUint64Handler() : step_(0), actual_() {}
+ bool Default() { ADD_FAILURE(); return false; }
+ bool Uint64(uint64_t i) { actual_ = i; step_++; return true; }
+
+ unsigned step_;
+ uint64_t actual_;
+};
+
+struct ParseDoubleHandler : BaseReaderHandler<UTF8<>, ParseDoubleHandler> {
+ ParseDoubleHandler() : step_(0), actual_() {}
+ bool Default() { ADD_FAILURE(); return false; }
+ bool Double(double d) { actual_ = d; step_++; return true; }
+
+ unsigned step_;
+ double actual_;
+};
+
+TEST(Reader, ParseNumber_Integer) {
+#define TEST_INTEGER(Handler, str, x) \
+ { \
+ StringStream s(str); \
+ Handler h; \
+ Reader reader; \
+ reader.Parse(s, h); \
+ EXPECT_EQ(1u, h.step_); \
+ EXPECT_EQ(x, h.actual_); \
+ }
+
+ TEST_INTEGER(ParseUintHandler, "0", 0u);
+ TEST_INTEGER(ParseUintHandler, "123", 123u);
+ TEST_INTEGER(ParseUintHandler, "2147483648", 2147483648u); // 2^31 - 1 (cannot be stored in int)
+ TEST_INTEGER(ParseUintHandler, "4294967295", 4294967295u);
+
+ TEST_INTEGER(ParseIntHandler, "-123", -123);
+ TEST_INTEGER(ParseIntHandler, "-2147483648", static_cast<int32_t>(0x80000000)); // -2^31 (min of int)
+
+ TEST_INTEGER(ParseUint64Handler, "4294967296", RAPIDJSON_UINT64_C2(1, 0)); // 2^32 (max of unsigned + 1, force to use uint64_t)
+ TEST_INTEGER(ParseUint64Handler, "18446744073709551615", RAPIDJSON_UINT64_C2(0xFFFFFFFF, 0xFFFFFFFF)); // 2^64 - 1 (max of uint64_t)
+
+ TEST_INTEGER(ParseInt64Handler, "-2147483649", static_cast<int64_t>(RAPIDJSON_UINT64_C2(0xFFFFFFFF, 0x7FFFFFFF))); // -2^31 -1 (min of int - 1, force to use int64_t)
+ TEST_INTEGER(ParseInt64Handler, "-9223372036854775808", static_cast<int64_t>(RAPIDJSON_UINT64_C2(0x80000000, 0x00000000))); // -2^63 (min of int64_t)
+
+ // Random test for uint32_t/int32_t
+ {
+ union {
+ uint32_t u;
+ int32_t i;
+ }u;
+ Random r;
+
+ for (unsigned i = 0; i < 100000; i++) {
+ u.u = r();
+
+ char buffer[32];
+ *internal::u32toa(u.u, buffer) = '\0';
+ TEST_INTEGER(ParseUintHandler, buffer, u.u);
+
+ if (u.i < 0) {
+ *internal::i32toa(u.i, buffer) = '\0';
+ TEST_INTEGER(ParseIntHandler, buffer, u.i);
+ }
+ }
+ }
+
+ // Random test for uint64_t/int64_t
+ {
+ union {
+ uint64_t u;
+ int64_t i;
+ }u;
+ Random r;
+
+ for (unsigned i = 0; i < 100000; i++) {
+ u.u = uint64_t(r()) << 32;
+ u.u |= r();
+
+ char buffer[32];
+ if (u.u >= 4294967296ULL) {
+ *internal::u64toa(u.u, buffer) = '\0';
+ TEST_INTEGER(ParseUint64Handler, buffer, u.u);
+ }
+
+ if (u.i <= -2147483649LL) {
+ *internal::i64toa(u.i, buffer) = '\0';
+ TEST_INTEGER(ParseInt64Handler, buffer, u.i);
+ }
+ }
+ }
+#undef TEST_INTEGER
+}
+
+template<bool fullPrecision>
+static void TestParseDouble() {
+#define TEST_DOUBLE(fullPrecision, str, x) \
+ { \
+ StringStream s(str); \
+ ParseDoubleHandler h; \
+ Reader reader; \
+ ASSERT_EQ(kParseErrorNone, reader.Parse<fullPrecision ? kParseFullPrecisionFlag : 0>(s, h).Code()); \
+ EXPECT_EQ(1u, h.step_); \
+ internal::Double e(x), a(h.actual_); \
+ if (fullPrecision) { \
+ EXPECT_EQ(e.Uint64Value(), a.Uint64Value()); \
+ if (e.Uint64Value() != a.Uint64Value()) \
+ printf(" String: %s\n Actual: %.17g\nExpected: %.17g\n", str, h.actual_, x); \
+ } \
+ else { \
+ EXPECT_EQ(e.Sign(), a.Sign()); /* for 0.0 != -0.0 */ \
+ EXPECT_DOUBLE_EQ(x, h.actual_); \
+ } \
+ }
+
+ TEST_DOUBLE(fullPrecision, "0.0", 0.0);
+ TEST_DOUBLE(fullPrecision, "-0.0", -0.0); // For checking issue #289
+ TEST_DOUBLE(fullPrecision, "1.0", 1.0);
+ TEST_DOUBLE(fullPrecision, "-1.0", -1.0);
+ TEST_DOUBLE(fullPrecision, "1.5", 1.5);
+ TEST_DOUBLE(fullPrecision, "-1.5", -1.5);
+ TEST_DOUBLE(fullPrecision, "3.1416", 3.1416);
+ TEST_DOUBLE(fullPrecision, "1E10", 1E10);
+ TEST_DOUBLE(fullPrecision, "1e10", 1e10);
+ TEST_DOUBLE(fullPrecision, "1E+10", 1E+10);
+ TEST_DOUBLE(fullPrecision, "1E-10", 1E-10);
+ TEST_DOUBLE(fullPrecision, "-1E10", -1E10);
+ TEST_DOUBLE(fullPrecision, "-1e10", -1e10);
+ TEST_DOUBLE(fullPrecision, "-1E+10", -1E+10);
+ TEST_DOUBLE(fullPrecision, "-1E-10", -1E-10);
+ TEST_DOUBLE(fullPrecision, "1.234E+10", 1.234E+10);
+ TEST_DOUBLE(fullPrecision, "1.234E-10", 1.234E-10);
+ TEST_DOUBLE(fullPrecision, "1.79769e+308", 1.79769e+308);
+ TEST_DOUBLE(fullPrecision, "2.22507e-308", 2.22507e-308);
+ TEST_DOUBLE(fullPrecision, "-1.79769e+308", -1.79769e+308);
+ TEST_DOUBLE(fullPrecision, "-2.22507e-308", -2.22507e-308);
+ TEST_DOUBLE(fullPrecision, "4.9406564584124654e-324", 4.9406564584124654e-324); // minimum denormal
+ TEST_DOUBLE(fullPrecision, "2.2250738585072009e-308", 2.2250738585072009e-308); // Max subnormal double
+ TEST_DOUBLE(fullPrecision, "2.2250738585072014e-308", 2.2250738585072014e-308); // Min normal positive double
+ TEST_DOUBLE(fullPrecision, "1.7976931348623157e+308", 1.7976931348623157e+308); // Max double
+ TEST_DOUBLE(fullPrecision, "1e-10000", 0.0); // must underflow
+ TEST_DOUBLE(fullPrecision, "18446744073709551616", 18446744073709551616.0); // 2^64 (max of uint64_t + 1, force to use double)
+ TEST_DOUBLE(fullPrecision, "-9223372036854775809", -9223372036854775809.0); // -2^63 - 1(min of int64_t + 1, force to use double)
+ TEST_DOUBLE(fullPrecision, "0.9868011474609375", 0.9868011474609375); // https://github.com/miloyip/rapidjson/issues/120
+ TEST_DOUBLE(fullPrecision, "123e34", 123e34); // Fast Path Cases In Disguise
+ TEST_DOUBLE(fullPrecision, "45913141877270640000.0", 45913141877270640000.0);
+ TEST_DOUBLE(fullPrecision, "2.2250738585072011e-308", 2.2250738585072011e-308); // http://www.exploringbinary.com/php-hangs-on-numeric-value-2-2250738585072011e-308/
+ TEST_DOUBLE(fullPrecision, "1e-00011111111111", 0.0); // Issue #313
+ TEST_DOUBLE(fullPrecision, "-1e-00011111111111", -0.0);
+ TEST_DOUBLE(fullPrecision, "1e-214748363", 0.0); // Maximum supported negative exponent
+ TEST_DOUBLE(fullPrecision, "1e-214748364", 0.0);
+ TEST_DOUBLE(fullPrecision, "1e-21474836311", 0.0);
+ TEST_DOUBLE(fullPrecision, "0.017976931348623157e+310", 1.7976931348623157e+308); // Max double in another form
+
+ // Since
+ // abs((2^-1022 - 2^-1074) - 2.2250738585072012e-308) = 3.109754131239141401123495768877590405345064751974375599... กม 10^-324
+ // abs((2^-1022) - 2.2250738585072012e-308) = 1.830902327173324040642192159804623318305533274168872044... กม 10 ^ -324
+ // So 2.2250738585072012e-308 should round to 2^-1022 = 2.2250738585072014e-308
+ TEST_DOUBLE(fullPrecision, "2.2250738585072012e-308", 2.2250738585072014e-308); // http://www.exploringbinary.com/java-hangs-when-converting-2-2250738585072012e-308/
+
+ // More closer to normal/subnormal boundary
+ // boundary = 2^-1022 - 2^-1075 = 2.225073858507201136057409796709131975934819546351645648... กม 10^-308
+ TEST_DOUBLE(fullPrecision, "2.22507385850720113605740979670913197593481954635164564e-308", 2.2250738585072009e-308);
+ TEST_DOUBLE(fullPrecision, "2.22507385850720113605740979670913197593481954635164565e-308", 2.2250738585072014e-308);
+
+ // 1.0 is in (1.0 - 2^-54, 1.0 + 2^-53)
+ // 1.0 - 2^-54 = 0.999999999999999944488848768742172978818416595458984375
+ TEST_DOUBLE(fullPrecision, "0.999999999999999944488848768742172978818416595458984375", 1.0); // round to even
+ TEST_DOUBLE(fullPrecision, "0.999999999999999944488848768742172978818416595458984374", 0.99999999999999989); // previous double
+ TEST_DOUBLE(fullPrecision, "0.999999999999999944488848768742172978818416595458984376", 1.0); // next double
+ // 1.0 + 2^-53 = 1.00000000000000011102230246251565404236316680908203125
+ TEST_DOUBLE(fullPrecision, "1.00000000000000011102230246251565404236316680908203125", 1.0); // round to even
+ TEST_DOUBLE(fullPrecision, "1.00000000000000011102230246251565404236316680908203124", 1.0); // previous double
+ TEST_DOUBLE(fullPrecision, "1.00000000000000011102230246251565404236316680908203126", 1.00000000000000022); // next double
+
+ // Numbers from https://github.com/floitsch/double-conversion/blob/master/test/cctest/test-strtod.cc
+
+ TEST_DOUBLE(fullPrecision, "72057594037927928.0", 72057594037927928.0);
+ TEST_DOUBLE(fullPrecision, "72057594037927936.0", 72057594037927936.0);
+ TEST_DOUBLE(fullPrecision, "72057594037927932.0", 72057594037927936.0);
+ TEST_DOUBLE(fullPrecision, "7205759403792793199999e-5", 72057594037927928.0);
+ TEST_DOUBLE(fullPrecision, "7205759403792793200001e-5", 72057594037927936.0);
+
+ TEST_DOUBLE(fullPrecision, "9223372036854774784.0", 9223372036854774784.0);
+ TEST_DOUBLE(fullPrecision, "9223372036854775808.0", 9223372036854775808.0);
+ TEST_DOUBLE(fullPrecision, "9223372036854775296.0", 9223372036854775808.0);
+ TEST_DOUBLE(fullPrecision, "922337203685477529599999e-5", 9223372036854774784.0);
+ TEST_DOUBLE(fullPrecision, "922337203685477529600001e-5", 9223372036854775808.0);
+
+ TEST_DOUBLE(fullPrecision, "10141204801825834086073718800384", 10141204801825834086073718800384.0);
+ TEST_DOUBLE(fullPrecision, "10141204801825835211973625643008", 10141204801825835211973625643008.0);
+ TEST_DOUBLE(fullPrecision, "10141204801825834649023672221696", 10141204801825835211973625643008.0);
+ TEST_DOUBLE(fullPrecision, "1014120480182583464902367222169599999e-5", 10141204801825834086073718800384.0);
+ TEST_DOUBLE(fullPrecision, "1014120480182583464902367222169600001e-5", 10141204801825835211973625643008.0);
+
+ TEST_DOUBLE(fullPrecision, "5708990770823838890407843763683279797179383808", 5708990770823838890407843763683279797179383808.0);
+ TEST_DOUBLE(fullPrecision, "5708990770823839524233143877797980545530986496", 5708990770823839524233143877797980545530986496.0);
+ TEST_DOUBLE(fullPrecision, "5708990770823839207320493820740630171355185152", 5708990770823839524233143877797980545530986496.0);
+ TEST_DOUBLE(fullPrecision, "5708990770823839207320493820740630171355185151999e-3", 5708990770823838890407843763683279797179383808.0);
+ TEST_DOUBLE(fullPrecision, "5708990770823839207320493820740630171355185152001e-3", 5708990770823839524233143877797980545530986496.0);
+
+ {
+ char n1e308[310]; // '1' followed by 308 '0'
+ n1e308[0] = '1';
+ for (int i = 1; i < 309; i++)
+ n1e308[i] = '0';
+ n1e308[309] = '\0';
+ TEST_DOUBLE(fullPrecision, n1e308, 1E308);
+ }
+
+ // Cover trimming
+ TEST_DOUBLE(fullPrecision,
+"2.22507385850720113605740979670913197593481954635164564802342610972482222202107694551652952390813508"
+"7914149158913039621106870086438694594645527657207407820621743379988141063267329253552286881372149012"
+"9811224514518898490572223072852551331557550159143974763979834118019993239625482890171070818506906306"
+"6665599493827577257201576306269066333264756530000924588831643303777979186961204949739037782970490505"
+"1080609940730262937128958950003583799967207254304360284078895771796150945516748243471030702609144621"
+"5722898802581825451803257070188608721131280795122334262883686223215037756666225039825343359745688844"
+"2390026549819838548794829220689472168983109969836584681402285424333066033985088644580400103493397042"
+"7567186443383770486037861622771738545623065874679014086723327636718751234567890123456789012345678901"
+"e-308",
+ 2.2250738585072014e-308);
+
+ {
+ static const unsigned count = 100; // Tested with 1000000 locally
+ Random r;
+ Reader reader; // Reusing reader to prevent heap allocation
+
+ // Exhaustively test different exponents with random significant
+ for (uint64_t exp = 0; exp < 2047; exp++) {
+ ;
+ for (unsigned i = 0; i < count; i++) {
+ // Need to call r() in two statements for cross-platform coherent sequence.
+ uint64_t u = (exp << 52) | uint64_t(r() & 0x000FFFFF) << 32;
+ u |= uint64_t(r());
+ internal::Double d = internal::Double(u);
+
+ char buffer[32];
+ *internal::dtoa(d.Value(), buffer) = '\0';
+
+ StringStream s(buffer);
+ ParseDoubleHandler h;
+ ASSERT_EQ(kParseErrorNone, reader.Parse<fullPrecision ? kParseFullPrecisionFlag : 0>(s, h).Code());
+ EXPECT_EQ(1u, h.step_);
+ internal::Double a(h.actual_);
+ if (fullPrecision) {
+ EXPECT_EQ(d.Uint64Value(), a.Uint64Value());
+ if (d.Uint64Value() != a.Uint64Value())
+ printf(" String: %s\n Actual: %.17g\nExpected: %.17g\n", buffer, h.actual_, d.Value());
+ }
+ else {
+ EXPECT_EQ(d.Sign(), a.Sign()); // for 0.0 != -0.0
+ EXPECT_DOUBLE_EQ(d.Value(), h.actual_);
+ }
+ }
+ }
+ }
+
+ // Issue #340
+ TEST_DOUBLE(fullPrecision, "7.450580596923828e-9", 7.450580596923828e-9);
+ {
+ internal::Double d(1.0);
+ for (int i = 0; i < 324; i++) {
+ char buffer[32];
+ *internal::dtoa(d.Value(), buffer) = '\0';
+
+ StringStream s(buffer);
+ ParseDoubleHandler h;
+ Reader reader;
+ ASSERT_EQ(kParseErrorNone, reader.Parse<fullPrecision ? kParseFullPrecisionFlag : 0>(s, h).Code());
+ EXPECT_EQ(1u, h.step_);
+ internal::Double a(h.actual_);
+ if (fullPrecision) {
+ EXPECT_EQ(d.Uint64Value(), a.Uint64Value());
+ if (d.Uint64Value() != a.Uint64Value())
+ printf(" String: %s\n Actual: %.17g\nExpected: %.17g\n", buffer, h.actual_, d.Value());
+ }
+ else {
+ EXPECT_EQ(d.Sign(), a.Sign()); // for 0.0 != -0.0
+ EXPECT_DOUBLE_EQ(d.Value(), h.actual_);
+ }
+
+
+ d = d.Value() * 0.5;
+ }
+ }
+#undef TEST_DOUBLE
+}
+
+TEST(Reader, ParseNumber_NormalPrecisionDouble) {
+ TestParseDouble<false>();
+}
+
+TEST(Reader, ParseNumber_FullPrecisionDouble) {
+ TestParseDouble<true>();
+}
+
+TEST(Reader, ParseNumber_NormalPrecisionError) {
+ static unsigned count = 1000000;
+ Random r;
+
+ double ulpSum = 0.0;
+ double ulpMax = 0.0;
+ for (unsigned i = 0; i < count; i++) {
+ internal::Double e, a;
+ do {
+ // Need to call r() in two statements for cross-platform coherent sequence.
+ uint64_t u = uint64_t(r()) << 32;
+ u |= uint64_t(r());
+ e = u;
+ } while (e.IsNan() || e.IsInf() || !e.IsNormal());
+
+ char buffer[32];
+ *internal::dtoa(e.Value(), buffer) = '\0';
+
+ StringStream s(buffer);
+ ParseDoubleHandler h;
+ Reader reader;
+ ASSERT_EQ(kParseErrorNone, reader.Parse(s, h).Code());
+ EXPECT_EQ(1u, h.step_);
+
+ a = h.actual_;
+ uint64_t bias1 = e.ToBias();
+ uint64_t bias2 = a.ToBias();
+ double ulp = bias1 >= bias2 ? bias1 - bias2 : bias2 - bias1;
+ ulpMax = std::max(ulpMax, ulp);
+ ulpSum += ulp;
+ }
+ printf("ULP Average = %g, Max = %g \n", ulpSum / count, ulpMax);
+}
+
+TEST(Reader, ParseNumber_Error) {
+#define TEST_NUMBER_ERROR(errorCode, str) \
+ { \
+ char buffer[1001]; \
+ sprintf(buffer, "%s", str); \
+ InsituStringStream s(buffer); \
+ BaseReaderHandler<> h; \
+ Reader reader; \
+ EXPECT_FALSE(reader.Parse(s, h)); \
+ EXPECT_EQ(errorCode, reader.GetParseErrorCode());\
+ }
+
+ // Number too big to be stored in double.
+ {
+ char n1e309[311]; // '1' followed by 309 '0'
+ n1e309[0] = '1';
+ for (int i = 1; i < 310; i++)
+ n1e309[i] = '0';
+ n1e309[310] = '\0';
+ TEST_NUMBER_ERROR(kParseErrorNumberTooBig, n1e309);
+ }
+ TEST_NUMBER_ERROR(kParseErrorNumberTooBig, "1e309");
+
+ // Miss fraction part in number.
+ TEST_NUMBER_ERROR(kParseErrorNumberMissFraction, "1.");
+ TEST_NUMBER_ERROR(kParseErrorNumberMissFraction, "1.a");
+
+ // Miss exponent in number.
+ TEST_NUMBER_ERROR(kParseErrorNumberMissExponent, "1e");
+ TEST_NUMBER_ERROR(kParseErrorNumberMissExponent, "1e_");
+
+#undef TEST_NUMBER_ERROR
+}
+
+template <typename Encoding>
+struct ParseStringHandler : BaseReaderHandler<Encoding, ParseStringHandler<Encoding> > {
+ ParseStringHandler() : str_(0), length_(0), copy_() {}
+ ~ParseStringHandler() { EXPECT_TRUE(str_ != 0); if (copy_) free(const_cast<typename Encoding::Ch*>(str_)); }
+
+ ParseStringHandler(const ParseStringHandler&);
+ ParseStringHandler& operator=(const ParseStringHandler&);
+
+ bool Default() { ADD_FAILURE(); return false; }
+ bool String(const typename Encoding::Ch* str, size_t length, bool copy) {
+ EXPECT_EQ(0, str_);
+ if (copy) {
+ str_ = (typename Encoding::Ch*)malloc((length + 1) * sizeof(typename Encoding::Ch));
+ memcpy(const_cast<typename Encoding::Ch*>(str_), str, (length + 1) * sizeof(typename Encoding::Ch));
+ }
+ else
+ str_ = str;
+ length_ = length;
+ copy_ = copy;
+ return true;
+ }
+
+ const typename Encoding::Ch* str_;
+ size_t length_;
+ bool copy_;
+};
+
+TEST(Reader, ParseString) {
+#define TEST_STRING(Encoding, e, x) \
+ { \
+ Encoding::Ch* buffer = StrDup(x); \
+ GenericInsituStringStream<Encoding> is(buffer); \
+ ParseStringHandler<Encoding> h; \
+ GenericReader<Encoding, Encoding> reader; \
+ reader.Parse<kParseInsituFlag | kParseValidateEncodingFlag>(is, h); \
+ EXPECT_EQ(0, StrCmp<Encoding::Ch>(e, h.str_)); \
+ EXPECT_EQ(StrLen(e), h.length_); \
+ free(buffer); \
+ GenericStringStream<Encoding> s(x); \
+ ParseStringHandler<Encoding> h2; \
+ GenericReader<Encoding, Encoding> reader2; \
+ reader2.Parse(s, h2); \
+ EXPECT_EQ(0, StrCmp<Encoding::Ch>(e, h2.str_)); \
+ EXPECT_EQ(StrLen(e), h2.length_); \
+ }
+
+ // String constant L"\xXX" can only specify character code in bytes, which is not endianness-neutral.
+ // And old compiler does not support u"" and U"" string literal. So here specify string literal by array of Ch.
+ // In addition, GCC 4.8 generates -Wnarrowing warnings when character code >= 128 are assigned to signed integer types.
+ // Therefore, utype is added for declaring unsigned array, and then cast it to Encoding::Ch.
+#define ARRAY(...) { __VA_ARGS__ }
+#define TEST_STRINGARRAY(Encoding, utype, array, x) \
+ { \
+ static const utype ue[] = array; \
+ static const Encoding::Ch* e = reinterpret_cast<const Encoding::Ch *>(&ue[0]); \
+ TEST_STRING(Encoding, e, x); \
+ }
+
+#define TEST_STRINGARRAY2(Encoding, utype, earray, xarray) \
+ { \
+ static const utype ue[] = earray; \
+ static const utype xe[] = xarray; \
+ static const Encoding::Ch* e = reinterpret_cast<const Encoding::Ch *>(&ue[0]); \
+ static const Encoding::Ch* x = reinterpret_cast<const Encoding::Ch *>(&xe[0]); \
+ TEST_STRING(Encoding, e, x); \
+ }
+
+ TEST_STRING(UTF8<>, "", "\"\"");
+ TEST_STRING(UTF8<>, "Hello", "\"Hello\"");
+ TEST_STRING(UTF8<>, "Hello\nWorld", "\"Hello\\nWorld\"");
+ TEST_STRING(UTF8<>, "\"\\/\b\f\n\r\t", "\"\\\"\\\\/\\b\\f\\n\\r\\t\"");
+ TEST_STRING(UTF8<>, "\x24", "\"\\u0024\""); // Dollar sign U+0024
+ TEST_STRING(UTF8<>, "\xC2\xA2", "\"\\u00A2\""); // Cents sign U+00A2
+ TEST_STRING(UTF8<>, "\xE2\x82\xAC", "\"\\u20AC\""); // Euro sign U+20AC
+ TEST_STRING(UTF8<>, "\xF0\x9D\x84\x9E", "\"\\uD834\\uDD1E\""); // G clef sign U+1D11E
+
+ // UTF16
+ TEST_STRING(UTF16<>, L"", L"\"\"");
+ TEST_STRING(UTF16<>, L"Hello", L"\"Hello\"");
+ TEST_STRING(UTF16<>, L"Hello\nWorld", L"\"Hello\\nWorld\"");
+ TEST_STRING(UTF16<>, L"\"\\/\b\f\n\r\t", L"\"\\\"\\\\/\\b\\f\\n\\r\\t\"");
+ TEST_STRINGARRAY(UTF16<>, wchar_t, ARRAY(0x0024, 0x0000), L"\"\\u0024\"");
+ TEST_STRINGARRAY(UTF16<>, wchar_t, ARRAY(0x00A2, 0x0000), L"\"\\u00A2\""); // Cents sign U+00A2
+ TEST_STRINGARRAY(UTF16<>, wchar_t, ARRAY(0x20AC, 0x0000), L"\"\\u20AC\""); // Euro sign U+20AC
+ TEST_STRINGARRAY(UTF16<>, wchar_t, ARRAY(0xD834, 0xDD1E, 0x0000), L"\"\\uD834\\uDD1E\""); // G clef sign U+1D11E
+
+ // UTF32
+ TEST_STRINGARRAY2(UTF32<>, unsigned, ARRAY('\0'), ARRAY('\"', '\"', '\0'));
+ TEST_STRINGARRAY2(UTF32<>, unsigned, ARRAY('H', 'e', 'l', 'l', 'o', '\0'), ARRAY('\"', 'H', 'e', 'l', 'l', 'o', '\"', '\0'));
+ TEST_STRINGARRAY2(UTF32<>, unsigned, ARRAY('H', 'e', 'l', 'l', 'o', '\n', 'W', 'o', 'r', 'l', 'd', '\0'), ARRAY('\"', 'H', 'e', 'l', 'l', 'o', '\\', 'n', 'W', 'o', 'r', 'l', 'd', '\"', '\0'));
+ TEST_STRINGARRAY2(UTF32<>, unsigned, ARRAY('\"', '\\', '/', '\b', '\f', '\n', '\r', '\t', '\0'), ARRAY('\"', '\\', '\"', '\\', '\\', '/', '\\', 'b', '\\', 'f', '\\', 'n', '\\', 'r', '\\', 't', '\"', '\0'));
+ TEST_STRINGARRAY2(UTF32<>, unsigned, ARRAY(0x00024, 0x0000), ARRAY('\"', '\\', 'u', '0', '0', '2', '4', '\"', '\0'));
+ TEST_STRINGARRAY2(UTF32<>, unsigned, ARRAY(0x000A2, 0x0000), ARRAY('\"', '\\', 'u', '0', '0', 'A', '2', '\"', '\0')); // Cents sign U+00A2
+ TEST_STRINGARRAY2(UTF32<>, unsigned, ARRAY(0x020AC, 0x0000), ARRAY('\"', '\\', 'u', '2', '0', 'A', 'C', '\"', '\0')); // Euro sign U+20AC
+ TEST_STRINGARRAY2(UTF32<>, unsigned, ARRAY(0x1D11E, 0x0000), ARRAY('\"', '\\', 'u', 'D', '8', '3', '4', '\\', 'u', 'D', 'D', '1', 'E', '\"', '\0')); // G clef sign U+1D11E
+
+#undef TEST_STRINGARRAY
+#undef ARRAY
+#undef TEST_STRING
+
+ // Support of null character in string
+ {
+ StringStream s("\"Hello\\u0000World\"");
+ const char e[] = "Hello\0World";
+ ParseStringHandler<UTF8<> > h;
+ Reader reader;
+ reader.Parse(s, h);
+ EXPECT_EQ(0, memcmp(e, h.str_, h.length_ + 1));
+ EXPECT_EQ(11u, h.length_);
+ }
+}
+
+TEST(Reader, ParseString_Transcoding) {
+ const char* x = "\"Hello\"";
+ const wchar_t* e = L"Hello";
+ GenericStringStream<UTF8<> > is(x);
+ GenericReader<UTF8<>, UTF16<> > reader;
+ ParseStringHandler<UTF16<> > h;
+ reader.Parse(is, h);
+ EXPECT_EQ(0, StrCmp<UTF16<>::Ch>(e, h.str_));
+ EXPECT_EQ(StrLen(e), h.length_);
+}
+
+TEST(Reader, ParseString_TranscodingWithValidation) {
+ const char* x = "\"Hello\"";
+ const wchar_t* e = L"Hello";
+ GenericStringStream<UTF8<> > is(x);
+ GenericReader<UTF8<>, UTF16<> > reader;
+ ParseStringHandler<UTF16<> > h;
+ reader.Parse<kParseValidateEncodingFlag>(is, h);
+ EXPECT_EQ(0, StrCmp<UTF16<>::Ch>(e, h.str_));
+ EXPECT_EQ(StrLen(e), h.length_);
+}
+
+TEST(Reader, ParseString_NonDestructive) {
+ StringStream s("\"Hello\\nWorld\"");
+ ParseStringHandler<UTF8<> > h;
+ Reader reader;
+ reader.Parse(s, h);
+ EXPECT_EQ(0, StrCmp("Hello\nWorld", h.str_));
+ EXPECT_EQ(11u, h.length_);
+}
+
+template <typename Encoding>
+ParseErrorCode TestString(const typename Encoding::Ch* str) {
+ GenericStringStream<Encoding> s(str);
+ BaseReaderHandler<Encoding> h;
+ GenericReader<Encoding, Encoding> reader;
+ reader.template Parse<kParseValidateEncodingFlag>(s, h);
+ return reader.GetParseErrorCode();
+}
+
+TEST(Reader, ParseString_Error) {
+#define TEST_STRING_ERROR(errorCode, str)\
+ EXPECT_EQ(errorCode, TestString<UTF8<> >(str))
+
+#define ARRAY(...) { __VA_ARGS__ }
+#define TEST_STRINGENCODING_ERROR(Encoding, TargetEncoding, utype, array) \
+ { \
+ static const utype ue[] = array; \
+ static const Encoding::Ch* e = reinterpret_cast<const Encoding::Ch *>(&ue[0]); \
+ EXPECT_EQ(kParseErrorStringInvalidEncoding, TestString<Encoding>(e));\
+ /* decode error */\
+ GenericStringStream<Encoding> s(e);\
+ BaseReaderHandler<TargetEncoding> h;\
+ GenericReader<Encoding, TargetEncoding> reader;\
+ reader.Parse(s, h);\
+ EXPECT_EQ(kParseErrorStringInvalidEncoding, reader.GetParseErrorCode());\
+ }
+
+ // Invalid escape character in string.
+ TEST_STRING_ERROR(kParseErrorStringEscapeInvalid, "[\"\\a\"]");
+
+ // Incorrect hex digit after \\u escape in string.
+ TEST_STRING_ERROR(kParseErrorStringUnicodeEscapeInvalidHex, "[\"\\uABCG\"]");
+
+ // Quotation in \\u escape in string (Issue #288)
+ TEST_STRING_ERROR(kParseErrorStringUnicodeEscapeInvalidHex, "[\"\\uaaa\"]");
+ TEST_STRING_ERROR(kParseErrorStringUnicodeEscapeInvalidHex, "[\"\\uD800\\uFFF\"]");
+
+ // The surrogate pair in string is invalid.
+ TEST_STRING_ERROR(kParseErrorStringUnicodeSurrogateInvalid, "[\"\\uD800X\"]");
+ TEST_STRING_ERROR(kParseErrorStringUnicodeSurrogateInvalid, "[\"\\uD800\\uFFFF\"]");
+
+ // Missing a closing quotation mark in string.
+ TEST_STRING_ERROR(kParseErrorStringMissQuotationMark, "[\"Test]");
+
+ // http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt
+
+ // 3 Malformed sequences
+
+ // 3.1 Unexpected continuation bytes
+ {
+ char e[] = { '[', '\"', 0, '\"', ']', '\0' };
+ for (unsigned char c = 0x80u; c <= 0xBFu; c++) {
+ e[2] = c;
+ ParseErrorCode error = TestString<UTF8<> >(e);
+ EXPECT_EQ(kParseErrorStringInvalidEncoding, error);
+ if (error != kParseErrorStringInvalidEncoding)
+ std::cout << (unsigned)(unsigned char)c << std::endl;
+ }
+ }
+
+ // 3.2 Lonely start characters, 3.5 Impossible bytes
+ {
+ char e[] = { '[', '\"', 0, ' ', '\"', ']', '\0' };
+ for (unsigned c = 0xC0u; c <= 0xFFu; c++) {
+ e[2] = (char)c;
+ TEST_STRING_ERROR(kParseErrorStringInvalidEncoding, e);
+ }
+ }
+
+ // 4 Overlong sequences
+
+ // 4.1 Examples of an overlong ASCII character
+ TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xC0u, 0xAFu, '\"', ']', '\0'));
+ TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xE0u, 0x80u, 0xAFu, '\"', ']', '\0'));
+ TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xF0u, 0x80u, 0x80u, 0xAFu, '\"', ']', '\0'));
+
+ // 4.2 Maximum overlong sequences
+ TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xC1u, 0xBFu, '\"', ']', '\0'));
+ TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xE0u, 0x9Fu, 0xBFu, '\"', ']', '\0'));
+ TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xF0u, 0x8Fu, 0xBFu, 0xBFu, '\"', ']', '\0'));
+
+ // 4.3 Overlong representation of the NUL character
+ TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xC0u, 0x80u, '\"', ']', '\0'));
+ TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xE0u, 0x80u, 0x80u, '\"', ']', '\0'));
+ TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xF0u, 0x80u, 0x80u, 0x80u, '\"', ']', '\0'));
+
+ // 5 Illegal code positions
+
+ // 5.1 Single UTF-16 surrogates
+ TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xEDu, 0xA0u, 0x80u, '\"', ']', '\0'));
+ TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xEDu, 0xADu, 0xBFu, '\"', ']', '\0'));
+ TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xEDu, 0xAEu, 0x80u, '\"', ']', '\0'));
+ TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xEDu, 0xAFu, 0xBFu, '\"', ']', '\0'));
+ TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xEDu, 0xB0u, 0x80u, '\"', ']', '\0'));
+ TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xEDu, 0xBEu, 0x80u, '\"', ']', '\0'));
+ TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xEDu, 0xBFu, 0xBFu, '\"', ']', '\0'));
+
+ // Malform UTF-16 sequences
+ TEST_STRINGENCODING_ERROR(UTF16<>, UTF8<>, wchar_t, ARRAY('[', '\"', 0xDC00, 0xDC00, '\"', ']', '\0'));
+ TEST_STRINGENCODING_ERROR(UTF16<>, UTF8<>, wchar_t, ARRAY('[', '\"', 0xD800, 0xD800, '\"', ']', '\0'));
+
+ // Malform UTF-32 sequence
+ TEST_STRINGENCODING_ERROR(UTF32<>, UTF8<>, unsigned, ARRAY('[', '\"', 0x110000, '\"', ']', '\0'));
+
+ // Malform ASCII sequence
+ TEST_STRINGENCODING_ERROR(ASCII<>, UTF8<>, char, ARRAY('[', '\"', char(0x80), '\"', ']', '\0'));
+
+#undef ARRAY
+#undef TEST_STRINGARRAY_ERROR
+}
+
+template <unsigned count>
+struct ParseArrayHandler : BaseReaderHandler<UTF8<>, ParseArrayHandler<count> > {
+ ParseArrayHandler() : step_(0) {}
+
+ bool Default() { ADD_FAILURE(); return false; }
+ bool Uint(unsigned i) { EXPECT_EQ(step_, i); step_++; return true; }
+ bool StartArray() { EXPECT_EQ(0u, step_); step_++; return true; }
+ bool EndArray(SizeType) { step_++; return true; }
+
+ unsigned step_;
+};
+
+TEST(Reader, ParseEmptyArray) {
+ char *json = StrDup("[ ] ");
+ InsituStringStream s(json);
+ ParseArrayHandler<0> h;
+ Reader reader;
+ reader.Parse(s, h);
+ EXPECT_EQ(2u, h.step_);
+ free(json);
+}
+
+TEST(Reader, ParseArray) {
+ char *json = StrDup("[1, 2, 3, 4]");
+ InsituStringStream s(json);
+ ParseArrayHandler<4> h;
+ Reader reader;
+ reader.Parse(s, h);
+ EXPECT_EQ(6u, h.step_);
+ free(json);
+}
+
+TEST(Reader, ParseArray_Error) {
+#define TEST_ARRAY_ERROR(errorCode, str) \
+ { \
+ char buffer[1001]; \
+ strncpy(buffer, str, 1000); \
+ InsituStringStream s(buffer); \
+ BaseReaderHandler<> h; \
+ GenericReader<UTF8<>, UTF8<>, CrtAllocator> reader; \
+ EXPECT_FALSE(reader.Parse(s, h)); \
+ EXPECT_EQ(errorCode, reader.GetParseErrorCode());\
+ }
+
+ // Missing a comma or ']' after an array element.
+ TEST_ARRAY_ERROR(kParseErrorArrayMissCommaOrSquareBracket, "[1");
+ TEST_ARRAY_ERROR(kParseErrorArrayMissCommaOrSquareBracket, "[1}");
+ TEST_ARRAY_ERROR(kParseErrorArrayMissCommaOrSquareBracket, "[1 2]");
+
+#undef TEST_ARRAY_ERROR
+}
+
+struct ParseObjectHandler : BaseReaderHandler<UTF8<>, ParseObjectHandler> {
+ ParseObjectHandler() : step_(0) {}
+
+ bool Default() { ADD_FAILURE(); return false; }
+ bool Null() { EXPECT_EQ(8u, step_); step_++; return true; }
+ bool Bool(bool b) {
+ switch(step_) {
+ case 4: EXPECT_TRUE(b); step_++; return true;
+ case 6: EXPECT_FALSE(b); step_++; return true;
+ default: ADD_FAILURE(); return false;
+ }
+ }
+ bool Int(int i) {
+ switch(step_) {
+ case 10: EXPECT_EQ(123, i); step_++; return true;
+ case 15: EXPECT_EQ(1, i); step_++; return true;
+ case 16: EXPECT_EQ(2, i); step_++; return true;
+ case 17: EXPECT_EQ(3, i); step_++; return true;
+ default: ADD_FAILURE(); return false;
+ }
+ }
+ bool Uint(unsigned i) { return Int(i); }
+ bool Double(double d) { EXPECT_EQ(12u, step_); EXPECT_DOUBLE_EQ(3.1416, d); step_++; return true; }
+ bool String(const char* str, size_t, bool) {
+ switch(step_) {
+ case 1: EXPECT_STREQ("hello", str); step_++; return true;
+ case 2: EXPECT_STREQ("world", str); step_++; return true;
+ case 3: EXPECT_STREQ("t", str); step_++; return true;
+ case 5: EXPECT_STREQ("f", str); step_++; return true;
+ case 7: EXPECT_STREQ("n", str); step_++; return true;
+ case 9: EXPECT_STREQ("i", str); step_++; return true;
+ case 11: EXPECT_STREQ("pi", str); step_++; return true;
+ case 13: EXPECT_STREQ("a", str); step_++; return true;
+ default: ADD_FAILURE(); return false;
+ }
+ }
+ bool StartObject() { EXPECT_EQ(0u, step_); step_++; return true; }
+ bool EndObject(SizeType memberCount) { EXPECT_EQ(19u, step_); EXPECT_EQ(7u, memberCount); step_++; return true; }
+ bool StartArray() { EXPECT_EQ(14u, step_); step_++; return true; }
+ bool EndArray(SizeType elementCount) { EXPECT_EQ(18u, step_); EXPECT_EQ(3u, elementCount); step_++; return true; }
+
+ unsigned step_;
+};
+
+TEST(Reader, ParseObject) {
+ const char* json = "{ \"hello\" : \"world\", \"t\" : true , \"f\" : false, \"n\": null, \"i\":123, \"pi\": 3.1416, \"a\":[1, 2, 3] } ";
+
+ // Insitu
+ {
+ char* json2 = StrDup(json);
+ InsituStringStream s(json2);
+ ParseObjectHandler h;
+ Reader reader;
+ reader.Parse<kParseInsituFlag>(s, h);
+ EXPECT_EQ(20u, h.step_);
+ free(json2);
+ }
+
+ // Normal
+ {
+ StringStream s(json);
+ ParseObjectHandler h;
+ Reader reader;
+ reader.Parse(s, h);
+ EXPECT_EQ(20u, h.step_);
+ }
+}
+
+struct ParseEmptyObjectHandler : BaseReaderHandler<UTF8<>, ParseEmptyObjectHandler> {
+ ParseEmptyObjectHandler() : step_(0) {}
+
+ bool Default() { ADD_FAILURE(); return false; }
+ bool StartObject() { EXPECT_EQ(0u, step_); step_++; return true; }
+ bool EndObject(SizeType) { EXPECT_EQ(1u, step_); step_++; return true; }
+
+ unsigned step_;
+};
+
+TEST(Reader, Parse_EmptyObject) {
+ StringStream s("{ } ");
+ ParseEmptyObjectHandler h;
+ Reader reader;
+ reader.Parse(s, h);
+ EXPECT_EQ(2u, h.step_);
+}
+
+struct ParseMultipleRootHandler : BaseReaderHandler<UTF8<>, ParseMultipleRootHandler> {
+ ParseMultipleRootHandler() : step_(0) {}
+
+ bool Default() { ADD_FAILURE(); return false; }
+ bool StartObject() { EXPECT_EQ(0u, step_); step_++; return true; }
+ bool EndObject(SizeType) { EXPECT_EQ(1u, step_); step_++; return true; }
+ bool StartArray() { EXPECT_EQ(2u, step_); step_++; return true; }
+ bool EndArray(SizeType) { EXPECT_EQ(3u, step_); step_++; return true; }
+
+ unsigned step_;
+};
+
+template <unsigned parseFlags>
+void TestMultipleRoot() {
+ StringStream s("{}[] a");
+ ParseMultipleRootHandler h;
+ Reader reader;
+ EXPECT_TRUE(reader.Parse<parseFlags>(s, h));
+ EXPECT_EQ(2u, h.step_);
+ EXPECT_TRUE(reader.Parse<parseFlags>(s, h));
+ EXPECT_EQ(4u, h.step_);
+ EXPECT_EQ(' ', s.Take());
+ EXPECT_EQ('a', s.Take());
+}
+
+TEST(Reader, Parse_MultipleRoot) {
+ TestMultipleRoot<kParseStopWhenDoneFlag>();
+}
+
+TEST(Reader, ParseIterative_MultipleRoot) {
+ TestMultipleRoot<kParseIterativeFlag | kParseStopWhenDoneFlag>();
+}
+
+template <unsigned parseFlags>
+void TestInsituMultipleRoot() {
+ char* buffer = strdup("{}[] a");
+ InsituStringStream s(buffer);
+ ParseMultipleRootHandler h;
+ Reader reader;
+ EXPECT_TRUE(reader.Parse<kParseInsituFlag | parseFlags>(s, h));
+ EXPECT_EQ(2u, h.step_);
+ EXPECT_TRUE(reader.Parse<kParseInsituFlag | parseFlags>(s, h));
+ EXPECT_EQ(4u, h.step_);
+ EXPECT_EQ(' ', s.Take());
+ EXPECT_EQ('a', s.Take());
+ free(buffer);
+}
+
+TEST(Reader, ParseInsitu_MultipleRoot) {
+ TestInsituMultipleRoot<kParseStopWhenDoneFlag>();
+}
+
+TEST(Reader, ParseInsituIterative_MultipleRoot) {
+ TestInsituMultipleRoot<kParseIterativeFlag | kParseStopWhenDoneFlag>();
+}
+
+#define TEST_ERROR(errorCode, str) \
+ { \
+ char buffer[1001]; \
+ strncpy(buffer, str, 1000); \
+ InsituStringStream s(buffer); \
+ BaseReaderHandler<> h; \
+ Reader reader; \
+ EXPECT_FALSE(reader.Parse(s, h)); \
+ EXPECT_EQ(errorCode, reader.GetParseErrorCode());\
+ }
+
+TEST(Reader, ParseDocument_Error) {
+ // The document is empty.
+ TEST_ERROR(kParseErrorDocumentEmpty, "");
+ TEST_ERROR(kParseErrorDocumentEmpty, " ");
+ TEST_ERROR(kParseErrorDocumentEmpty, " \n");
+
+ // The document root must not follow by other values.
+ TEST_ERROR(kParseErrorDocumentRootNotSingular, "[] 0");
+ TEST_ERROR(kParseErrorDocumentRootNotSingular, "{} 0");
+ TEST_ERROR(kParseErrorDocumentRootNotSingular, "null []");
+ TEST_ERROR(kParseErrorDocumentRootNotSingular, "0 {}");
+}
+
+TEST(Reader, ParseValue_Error) {
+ // Invalid value.
+ TEST_ERROR(kParseErrorValueInvalid, "nulL");
+ TEST_ERROR(kParseErrorValueInvalid, "truE");
+ TEST_ERROR(kParseErrorValueInvalid, "falsE");
+ TEST_ERROR(kParseErrorValueInvalid, "a]");
+ TEST_ERROR(kParseErrorValueInvalid, ".1");
+}
+
+TEST(Reader, ParseObject_Error) {
+ // Missing a name for object member.
+ TEST_ERROR(kParseErrorObjectMissName, "{1}");
+ TEST_ERROR(kParseErrorObjectMissName, "{:1}");
+ TEST_ERROR(kParseErrorObjectMissName, "{null:1}");
+ TEST_ERROR(kParseErrorObjectMissName, "{true:1}");
+ TEST_ERROR(kParseErrorObjectMissName, "{false:1}");
+ TEST_ERROR(kParseErrorObjectMissName, "{1:1}");
+ TEST_ERROR(kParseErrorObjectMissName, "{[]:1}");
+ TEST_ERROR(kParseErrorObjectMissName, "{{}:1}");
+ TEST_ERROR(kParseErrorObjectMissName, "{xyz:1}");
+
+ // Missing a colon after a name of object member.
+ TEST_ERROR(kParseErrorObjectMissColon, "{\"a\" 1}");
+ TEST_ERROR(kParseErrorObjectMissColon, "{\"a\",1}");
+
+ // Must be a comma or '}' after an object member
+ TEST_ERROR(kParseErrorObjectMissCommaOrCurlyBracket, "{\"a\":1]");
+
+ // This tests that MemoryStream is checking the length in Peek().
+ {
+ MemoryStream ms("{\"a\"", 1);
+ BaseReaderHandler<> h;
+ Reader reader;
+ EXPECT_FALSE(reader.Parse<kParseStopWhenDoneFlag>(ms, h));
+ EXPECT_EQ(kParseErrorObjectMissName, reader.GetParseErrorCode());
+ }
+}
+
+#undef TEST_ERROR
+
+TEST(Reader, SkipWhitespace) {
+ StringStream ss(" A \t\tB\n \n\nC\r\r \rD \t\n\r E");
+ const char* expected = "ABCDE";
+ for (size_t i = 0; i < 5; i++) {
+ SkipWhitespace(ss);
+ EXPECT_EQ(expected[i], ss.Take());
+ }
+}
+
+// Test implementing a stream without copy stream optimization.
+// Clone from GenericStringStream except that copy constructor is disabled.
+template <typename Encoding>
+class CustomStringStream {
+public:
+ typedef typename Encoding::Ch Ch;
+
+ CustomStringStream(const Ch *src) : src_(src), head_(src) {}
+
+ Ch Peek() const { return *src_; }
+ Ch Take() { return *src_++; }
+ size_t Tell() const { return static_cast<size_t>(src_ - head_); }
+
+ Ch* PutBegin() { RAPIDJSON_ASSERT(false); return 0; }
+ void Put(Ch) { RAPIDJSON_ASSERT(false); }
+ void Flush() { RAPIDJSON_ASSERT(false); }
+ size_t PutEnd(Ch*) { RAPIDJSON_ASSERT(false); return 0; }
+
+private:
+ // Prohibit copy constructor & assignment operator.
+ CustomStringStream(const CustomStringStream&);
+ CustomStringStream& operator=(const CustomStringStream&);
+
+ const Ch* src_; //!< Current read position.
+ const Ch* head_; //!< Original head of the string.
+};
+
+// If the following code is compiled, it should generate compilation error as predicted.
+// Because CustomStringStream<> is not copyable via making copy constructor private.
+#if 0
+namespace rapidjson {
+
+template <typename Encoding>
+struct StreamTraits<CustomStringStream<Encoding> > {
+ enum { copyOptimization = 1 };
+};
+
+} // namespace rapidjson
+#endif
+
+TEST(Reader, CustomStringStream) {
+ const char* json = "{ \"hello\" : \"world\", \"t\" : true , \"f\" : false, \"n\": null, \"i\":123, \"pi\": 3.1416, \"a\":[1, 2, 3] } ";
+ CustomStringStream<UTF8<char> > s(json);
+ ParseObjectHandler h;
+ Reader reader;
+ reader.Parse(s, h);
+ EXPECT_EQ(20u, h.step_);
+}
+
+#include <sstream>
+
+class IStreamWrapper {
+public:
+ typedef char Ch;
+
+ IStreamWrapper(std::istream& is) : is_(is) {}
+
+ Ch Peek() const {
+ int c = is_.peek();
+ return c == std::char_traits<char>::eof() ? '\0' : (Ch)c;
+ }
+
+ Ch Take() {
+ int c = is_.get();
+ return c == std::char_traits<char>::eof() ? '\0' : (Ch)c;
+ }
+
+ size_t Tell() const { return (size_t)is_.tellg(); }
+
+ Ch* PutBegin() { assert(false); return 0; }
+ void Put(Ch) { assert(false); }
+ void Flush() { assert(false); }
+ size_t PutEnd(Ch*) { assert(false); return 0; }
+
+private:
+ IStreamWrapper(const IStreamWrapper&);
+ IStreamWrapper& operator=(const IStreamWrapper&);
+
+ std::istream& is_;
+};
+
+TEST(Reader, Parse_IStreamWrapper_StringStream) {
+ const char* json = "[1,2,3,4]";
+
+ std::stringstream ss(json);
+ IStreamWrapper is(ss);
+
+ Reader reader;
+ ParseArrayHandler<4> h;
+ reader.Parse(is, h);
+ EXPECT_FALSE(reader.HasParseError());
+}
+
+// Test iterative parsing.
+
+#define TESTERRORHANDLING(text, errorCode, offset)\
+{\
+ StringStream json(text); \
+ BaseReaderHandler<> handler; \
+ Reader reader; \
+ reader.Parse<kParseIterativeFlag>(json, handler); \
+ EXPECT_TRUE(reader.HasParseError()); \
+ EXPECT_EQ(errorCode, reader.GetParseErrorCode()); \
+ EXPECT_EQ(offset, reader.GetErrorOffset()); \
+}
+
+TEST(Reader, IterativeParsing_ErrorHandling) {
+ TESTERRORHANDLING("{\"a\": a}", kParseErrorValueInvalid, 6u);
+
+ TESTERRORHANDLING("", kParseErrorDocumentEmpty, 0u);
+ TESTERRORHANDLING("{}{}", kParseErrorDocumentRootNotSingular, 2u);
+
+ TESTERRORHANDLING("{1}", kParseErrorObjectMissName, 1u);
+ TESTERRORHANDLING("{\"a\", 1}", kParseErrorObjectMissColon, 4u);
+ TESTERRORHANDLING("{\"a\"}", kParseErrorObjectMissColon, 4u);
+ TESTERRORHANDLING("{\"a\": 1", kParseErrorObjectMissCommaOrCurlyBracket, 7u);
+ TESTERRORHANDLING("[1 2 3]", kParseErrorArrayMissCommaOrSquareBracket, 3u);
+ TESTERRORHANDLING("{\"a: 1", kParseErrorStringMissQuotationMark, 5u);
+
+ // Any JSON value can be a valid root element in RFC7159.
+ TESTERRORHANDLING("\"ab", kParseErrorStringMissQuotationMark, 2u);
+ TESTERRORHANDLING("truE", kParseErrorValueInvalid, 3u);
+ TESTERRORHANDLING("False", kParseErrorValueInvalid, 0u);
+ TESTERRORHANDLING("true, false", kParseErrorDocumentRootNotSingular, 4u);
+ TESTERRORHANDLING("false, false", kParseErrorDocumentRootNotSingular, 5u);
+ TESTERRORHANDLING("nulL", kParseErrorValueInvalid, 3u);
+ TESTERRORHANDLING("null , null", kParseErrorDocumentRootNotSingular, 5u);
+ TESTERRORHANDLING("1a", kParseErrorDocumentRootNotSingular, 1u);
+}
+
+template<typename Encoding = UTF8<> >
+struct IterativeParsingReaderHandler {
+ typedef typename Encoding::Ch Ch;
+
+ const static int LOG_NULL = -1;
+ const static int LOG_BOOL = -2;
+ const static int LOG_INT = -3;
+ const static int LOG_UINT = -4;
+ const static int LOG_INT64 = -5;
+ const static int LOG_UINT64 = -6;
+ const static int LOG_DOUBLE = -7;
+ const static int LOG_STRING = -8;
+ const static int LOG_STARTOBJECT = -9;
+ const static int LOG_KEY = -10;
+ const static int LOG_ENDOBJECT = -11;
+ const static int LOG_STARTARRAY = -12;
+ const static int LOG_ENDARRAY = -13;
+
+ const static size_t LogCapacity = 256;
+ int Logs[LogCapacity];
+ size_t LogCount;
+
+ IterativeParsingReaderHandler() : LogCount(0) {
+ }
+
+ bool Null() { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_NULL; return true; }
+
+ bool Bool(bool) { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_BOOL; return true; }
+
+ bool Int(int) { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_INT; return true; }
+
+ bool Uint(unsigned) { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_INT; return true; }
+
+ bool Int64(int64_t) { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_INT64; return true; }
+
+ bool Uint64(uint64_t) { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_UINT64; return true; }
+
+ bool Double(double) { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_DOUBLE; return true; }
+
+ bool String(const Ch*, SizeType, bool) { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_STRING; return true; }
+
+ bool StartObject() { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_STARTOBJECT; return true; }
+
+ bool Key (const Ch*, SizeType, bool) { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_KEY; return true; }
+
+ bool EndObject(SizeType c) {
+ RAPIDJSON_ASSERT(LogCount < LogCapacity);
+ Logs[LogCount++] = LOG_ENDOBJECT;
+ Logs[LogCount++] = (int)c;
+ return true;
+ }
+
+ bool StartArray() { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_STARTARRAY; return true; }
+
+ bool EndArray(SizeType c) {
+ RAPIDJSON_ASSERT(LogCount < LogCapacity);
+ Logs[LogCount++] = LOG_ENDARRAY;
+ Logs[LogCount++] = (int)c;
+ return true;
+ }
+};
+
+TEST(Reader, IterativeParsing_General) {
+ {
+ StringStream is("[1, {\"k\": [1, 2]}, null, false, true, \"string\", 1.2]");
+ Reader reader;
+ IterativeParsingReaderHandler<> handler;
+
+ ParseResult r = reader.Parse<kParseIterativeFlag>(is, handler);
+
+ EXPECT_FALSE(r.IsError());
+ EXPECT_FALSE(reader.HasParseError());
+
+ int e[] = {
+ handler.LOG_STARTARRAY,
+ handler.LOG_INT,
+ handler.LOG_STARTOBJECT,
+ handler.LOG_KEY,
+ handler.LOG_STARTARRAY,
+ handler.LOG_INT,
+ handler.LOG_INT,
+ handler.LOG_ENDARRAY, 2,
+ handler.LOG_ENDOBJECT, 1,
+ handler.LOG_NULL,
+ handler.LOG_BOOL,
+ handler.LOG_BOOL,
+ handler.LOG_STRING,
+ handler.LOG_DOUBLE,
+ handler.LOG_ENDARRAY, 7
+ };
+
+ EXPECT_EQ(sizeof(e) / sizeof(int), handler.LogCount);
+
+ for (size_t i = 0; i < handler.LogCount; ++i) {
+ EXPECT_EQ(e[i], handler.Logs[i]) << "i = " << i;
+ }
+ }
+}
+
+TEST(Reader, IterativeParsing_Count) {
+ {
+ StringStream is("[{}, {\"k\": 1}, [1], []]");
+ Reader reader;
+ IterativeParsingReaderHandler<> handler;
+
+ ParseResult r = reader.Parse<kParseIterativeFlag>(is, handler);
+
+ EXPECT_FALSE(r.IsError());
+ EXPECT_FALSE(reader.HasParseError());
+
+ int e[] = {
+ handler.LOG_STARTARRAY,
+ handler.LOG_STARTOBJECT,
+ handler.LOG_ENDOBJECT, 0,
+ handler.LOG_STARTOBJECT,
+ handler.LOG_KEY,
+ handler.LOG_INT,
+ handler.LOG_ENDOBJECT, 1,
+ handler.LOG_STARTARRAY,
+ handler.LOG_INT,
+ handler.LOG_ENDARRAY, 1,
+ handler.LOG_STARTARRAY,
+ handler.LOG_ENDARRAY, 0,
+ handler.LOG_ENDARRAY, 4
+ };
+
+ EXPECT_EQ(sizeof(e) / sizeof(int), handler.LogCount);
+
+ for (size_t i = 0; i < handler.LogCount; ++i) {
+ EXPECT_EQ(e[i], handler.Logs[i]) << "i = " << i;
+ }
+ }
+}
+
+// Test iterative parsing on kParseErrorTermination.
+struct HandlerTerminateAtStartObject : public IterativeParsingReaderHandler<> {
+ bool StartObject() { return false; }
+};
+
+struct HandlerTerminateAtStartArray : public IterativeParsingReaderHandler<> {
+ bool StartArray() { return false; }
+};
+
+struct HandlerTerminateAtEndObject : public IterativeParsingReaderHandler<> {
+ bool EndObject(SizeType) { return false; }
+};
+
+struct HandlerTerminateAtEndArray : public IterativeParsingReaderHandler<> {
+ bool EndArray(SizeType) { return false; }
+};
+
+TEST(Reader, IterativeParsing_ShortCircuit) {
+ {
+ HandlerTerminateAtStartObject handler;
+ Reader reader;
+ StringStream is("[1, {}]");
+
+ ParseResult r = reader.Parse<kParseIterativeFlag>(is, handler);
+
+ EXPECT_TRUE(reader.HasParseError());
+ EXPECT_EQ(kParseErrorTermination, r.Code());
+ EXPECT_EQ(4u, r.Offset());
+ }
+
+ {
+ HandlerTerminateAtStartArray handler;
+ Reader reader;
+ StringStream is("{\"a\": []}");
+
+ ParseResult r = reader.Parse<kParseIterativeFlag>(is, handler);
+
+ EXPECT_TRUE(reader.HasParseError());
+ EXPECT_EQ(kParseErrorTermination, r.Code());
+ EXPECT_EQ(6u, r.Offset());
+ }
+
+ {
+ HandlerTerminateAtEndObject handler;
+ Reader reader;
+ StringStream is("[1, {}]");
+
+ ParseResult r = reader.Parse<kParseIterativeFlag>(is, handler);
+
+ EXPECT_TRUE(reader.HasParseError());
+ EXPECT_EQ(kParseErrorTermination, r.Code());
+ EXPECT_EQ(5u, r.Offset());
+ }
+
+ {
+ HandlerTerminateAtEndArray handler;
+ Reader reader;
+ StringStream is("{\"a\": []}");
+
+ ParseResult r = reader.Parse<kParseIterativeFlag>(is, handler);
+
+ EXPECT_TRUE(reader.HasParseError());
+ EXPECT_EQ(kParseErrorTermination, r.Code());
+ EXPECT_EQ(7u, r.Offset());
+ }
+}
+
+// For covering BaseReaderHandler default functions
+TEST(Reader, BaseReaderHandler_Default) {
+ BaseReaderHandler<> h;
+ Reader reader;
+ StringStream is("[null, true, -1, 1, -1234567890123456789, 1234567890123456789, 3.14, \"s\", { \"a\" : 1 }]");
+ EXPECT_TRUE(reader.Parse(is, h));
+}
+
+template <int e>
+struct TerminateHandler {
+ bool Null() { return e != 0; }
+ bool Bool(bool) { return e != 1; }
+ bool Int(int) { return e != 2; }
+ bool Uint(unsigned) { return e != 3; }
+ bool Int64(int64_t) { return e != 4; }
+ bool Uint64(uint64_t) { return e != 5; }
+ bool Double(double) { return e != 6; }
+ bool String(const char*, SizeType, bool) { return e != 7; }
+ bool StartObject() { return e != 8; }
+ bool Key(const char*, SizeType, bool) { return e != 9; }
+ bool EndObject(SizeType) { return e != 10; }
+ bool StartArray() { return e != 11; }
+ bool EndArray(SizeType) { return e != 12; }
+};
+
+#define TEST_TERMINATION(e, json)\
+{\
+ Reader reader;\
+ TerminateHandler<e> h;\
+ StringStream is(json);\
+ EXPECT_FALSE(reader.Parse(is, h));\
+ EXPECT_EQ(kParseErrorTermination, reader.GetParseErrorCode());\
+}
+
+TEST(Reader, ParseTerminationByHandler) {
+ TEST_TERMINATION(0, "[null");
+ TEST_TERMINATION(1, "[true");
+ TEST_TERMINATION(1, "[false");
+ TEST_TERMINATION(2, "[-1");
+ TEST_TERMINATION(3, "[1");
+ TEST_TERMINATION(4, "[-1234567890123456789");
+ TEST_TERMINATION(5, "[1234567890123456789");
+ TEST_TERMINATION(6, "[0.5]");
+ TEST_TERMINATION(7, "[\"a\"");
+ TEST_TERMINATION(8, "[{");
+ TEST_TERMINATION(9, "[{\"a\"");
+ TEST_TERMINATION(10, "[{}");
+ TEST_TERMINATION(10, "[{\"a\":1}"); // non-empty object
+ TEST_TERMINATION(11, "{\"a\":[");
+ TEST_TERMINATION(12, "{\"a\":[]");
+ TEST_TERMINATION(12, "{\"a\":[1]"); // non-empty array
+}
+
+#ifdef __GNUC__
+RAPIDJSON_DIAG_POP
+#endif
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